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Page 1

The biochemical explanation offers one explanation for the cause of schizophrenia in
terms of neurotransmitter release. It suggests that schizophrenia could be caused by
an excess of dopamine and a message overload in the brain. This is due to receptor
cells…

Page 2

lobes in comparison to non- schizophrenics, and type 2 schizophrenics PET scans
reveal low activity in the frontal lobe. These differences between schizophrenics
and non- schizophrenics brains suggest that it is a brain abnormality that may be the
cause of the disorder. However the differences between the two types of…